550258544648 has 16 divisors (see below), whose sum is σ = 1032707204460. Its totient is φ = 274869956800.

The previous prime is 550258544639. The next prime is 550258544651. The reversal of 550258544648 is 846445852055.

It can be written as a sum of positive squares in 2 ways, for example, as 466759507204 + 83499037444 = 683198^2 + 288962^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550258544593 and 550258544602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32405423 + ... + 32422398.

Almost surely, 2^550258544648 is an apocalyptic number.

It is an amenable number.

550258544648 is a deficient number, since it is larger than the sum of its proper divisors (482448659812).

550258544648 is a wasteful number, since it uses less digits than its factorization.

550258544648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64828888 (or 64828884 counting only the distinct ones).

The product of its (nonzero) digits is 30720000, while the sum is 56.

The spelling of 550258544648 in words is "five hundred fifty billion, two hundred fifty-eight million, five hundred forty-four thousand, six hundred forty-eight".